#coding=utf-8

class Calculator(object):
    def __init__(self,a,b):
        self.a = a
        self.b = b

    def add(self):
        """
        加法
        :return:
        """
        return self.a+self.b

    def reduce(self):
        """
        减法
        :return:
        """
        return self.a-self.b

    def ride(self):
        """
        乘法
        :return:
        """
        return self.a * self.b

    def division(self):
        """
        除法
        :return:
        """
        return (self.a)/(self.b)

